<template>
  <div class="main">
    <a-form
      id="formLogin"
      class="user-layout-login"
      ref="formLogin"
      :form="form"
      @submit="handleSubmit"
    >
      <a-tabs
        :activeKey="customActiveKey"
        :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
        @change="handleTabClick"
      >
        <a-tab-pane key="tab1" tab="飞书登录">
          <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;" message="账户或密码错误" />
          <template v-if="customActiveKey == 'tab1'">
            <a-form-item>
              <a-input size="large" type="text" placeholder="用户名" v-decorator="['account', {rules: [{ required: true, message: '请输入飞书账号' }], validateTrigger: 'change'}]">
                <a-icon slot="prefix" type="twitter" :style="{ color: 'rgba(0,0,0,.4)' }"/>
              </a-input>
            </a-form-item>

            <a-row :gutter="16">
              <a-col class="gutter-row" :span="16">
                <a-form-item>
                  <a-input size="large" type="text" placeholder="验证码" v-decorator="['captcha', {rules: [{ required: true, message: '请输入飞书验证码' }], validateTrigger: 'blur'}]">
                    <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.4)' }"/>
                  </a-input>
                </a-form-item>
              </a-col>
              <a-col class="gutter-row" :span="8">
                <a-button
                  class="getCaptcha"
                  tabindex="-1"
                  :disabled="state.smsSendBtn"
                  @click.stop.prevent="getCaptcha"
                  v-text="!state.smsSendBtn && '获取验证码' || (state.time+' s')"
                ></a-button>
              </a-col>
            </a-row>
          </template>
        </a-tab-pane>
        
        <a-tab-pane key="tab2" tab="短信登录">
          <template v-if="customActiveKey == 'tab2'">
            <a-form-item>
              <a-input size="large" type="text" placeholder="手机号" v-decorator="['mobile', {rules: [{ required: true, message: '请输入手机号' }], validateTrigger: 'change'}]">
                <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.4)' }"/>
              </a-input>
            </a-form-item>

            <a-row :gutter="16">
              <a-col class="gutter-row" :span="16">
                <a-form-item>
                  <a-input size="large" type="text" placeholder="验证码" v-decorator="['captcha', {rules: [{ required: true, message: '请输入短信验证码' }], validateTrigger: 'blur'}]">
                    <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.4)' }"/>
                  </a-input>
                </a-form-item>
              </a-col>
              <a-col class="gutter-row" :span="8">
                <a-button
                  class="getCaptcha"
                  tabindex="-1"
                  :disabled="state.smsSendBtn"
                  @click.stop.prevent="getCaptcha"
                  v-text="!state.smsSendBtn && '获取验证码' || (state.time+' s')"
                ></a-button>
              </a-col>
            </a-row>
          </template>
        </a-tab-pane>
      </a-tabs>

      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn"
        >登录</a-button>
      </a-form-item>
    </a-form>
  </div>
</template>

<script>
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getCaptcha } from '@/api/user/login'

export default {
  data () {
    return {
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    // handler
    // 切换登录方式
    handleTabClick (key) {
      this.customActiveKey = key
    },
    handleSubmit (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login
      } = this
      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['account', 'captcha'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          const loginParams = {}
          loginParams.username = customActiveKey === 'tab1' ? values.account : values.mobile
          loginParams.captcha = values.captcha
          Login(loginParams)
            .then((res) => this.loginSuccess(res))
            .catch(err => this.requestFailed(err))
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    // 发送验证码
    getCaptcha (e) {
      e.preventDefault()
      const { form: { validateFields }, state, customActiveKey } = this
      const validateFieldsKey = customActiveKey === 'tab1' ? ['account'] : ['mobile']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          

          const dataValue = customActiveKey === 'tab1' ? values.account : values.mobile
          const hide = this.$message.loading('验证码发送中..', 0)

          getCaptcha({ account: dataValue, type: customActiveKey }).then(res => {
            setTimeout(hide, 2500)
            if (res.code === 'SUCCESS') {
              setTimeout(hide, 1)
              this.$notification['success']({
                message: '提示',
                description: '验证码发送成功!',
                duration:3
              })
              // 验证时间 60s
              state.smsSendBtn = true
              const interval = window.setInterval(() => {
                if (state.time-- <= 0) {
                  state.time = 60
                  state.smsSendBtn = false
                  window.clearInterval(interval)
                }
              }, 1000)
            } else {
              setTimeout(hide, 1)
              this.$notification['error']({
                message: '提示',
                description: res.message,
                duration: 3
              })
            }
          }).catch(err => {
            setTimeout(hide, 1)
            clearInterval(interval)
            state.time = 60
            state.smsSendBtn = false
            this.requestFailed(err)
          })
        }
      })
    },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    // 登录
    loginSuccess: function (res) {
      if (res.code === 'SUCCESS') {
        // 判断有没有身份可以访问投放系统
        const SystemAliases = res.data.admin_user.system_aliases
        if (SystemAliases.includes('ADV_OCEAN')) {
          this.$router.push({ path: '/dashboard/index' })
          // 延迟 1 秒显示欢迎信息
          setTimeout(() => {
            this.$notification.success({
              message: '欢迎',
              description: `${timeFix()}，欢迎回来`
            })
          }, 1000)
        } else {
          this.$notification['error']({
            message: '错误',
            description: '您没有权限可访问投放系统',
            duration: 4
          })
        }
        this.isLoginError = false
      } else {
        this.isLoginError = true
        this.$notification['error']({
          message: '错误',
          description: res.message,
          duration: 4
        })
      }
    },
    requestFailed (err) {
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
